biomolecules Flashcards
1
Q
monomer and polymer e.g.of fatty acids
A
monomer -stearic acid
polymer: triacylglycerols, phospholipids
2
Q
biomolecules in body
A
main: sugars, nucleotides, fatty acids, amino acids
other biomolecules: cholesterol/steroid hormones, vitamins (niacin, folic acid), co-factors (NADH, coenzyme A), xenobiotics
3
Q
describe properties of carbohydrates
A
- hydrophilic, polar
- general formula (CH2O)n
- energy source or storage
- part of bacterial cell wall
- cell surface proteins often glycosylated
4
Q
difference between aldose and ketose
A
isomers, same chemical formula
- aldose contain aldehyde group, glucose
- ketoses contain kept group, fructose
- humans use D-sugars